All Fishes

Dark-banded fusilier

Pterocaesio tile

Body elongated, spindle-shaped, somewhat compressed laterally. Two postmaxillary processes. Mouth small, terminal, retractable. Small conical teeth …

Darters: Johnny Darter

Etheostoma nigrum

There are three known genera of darters: Percina, which contains about 40 species: Etheostoma, which contains …

Dash-and-dot goatfish

Parupeneus barberinus

The body is elongated, slightly compressed at the sides. The upper profile is straight. The mouth …

Daubed shanny

Leptoclinus maculatus

The daubed shanny has a compressed head, a pointed snout, and a somewhat flattened top. Its …

Deep flounder

Pseudorhombus elevatus

Deep flounder has 4-6 + 11-17 gill rakers and 10 + 24-25 vertebrae. The body is …

Deepbody sardinella

Sardinella brachysoma

Body deep; total number of scales from 29 to 32. Vertical furrows on the scales overlapping …

Deepwater stingray

Plesiobatis daviesi

The body of the deepwater stingray is flabby, with the pectoral fins forming a rounded disc …

Delagoa threadfin bream

Nemipterus bipunctatus

The body length of the Delagoa threadfin bream is almost four times its depth. The length …

Delicate dragonet

Callionymus delicatulus

Callionymus: Greek, kallion, comparative of kallos = beautiful + Greek, onyma = name; with a better …

Denise's pygmy seahorse

Hippocampus denise

Denise's pygmy seahorse has a short snout, a slender body and a stout tail. Its body …

Devil firefish

Pterois miles

The large head of this fish is one-third to one-half of the total body length. It …

Dnieper barbel

Barbus borysthenicus

The Dnieper barbel has a torpedo-shaped (fusiform) body that is somewhat thicker compared to the common …

Dogfish, Spiny

Squalus acanthias

The body is elongated and slender. Head is pointed. Coloration from above from slate-gray to brownish, …

Dogtooth tuna

Gymnosarda unicolor

They are elongated, somewhat compressed from the sides of the body. The mouth is large. The …

Dolloidraco longedorsalis

Dolloidraco longedorsalis

The body of Dolloidraco longedorsalis is elongated, compressed at the sides, low, its height is about …

Dolly Varden trout

Salvelinus malma

The body of the Dolly Varden trout is elongated, somewhat rounded, with the greatest depth of …

Dolly Varden, Bull Trout

Salvelinus malma, Salvelinus confluentus

These two char species, as well as Arctic char, are difficult to distinguish by appearance alone, …

Dolphin, Common

Coryphaena hippurus

The body is slender and streamlined, tapering sharply from head to tail. Large males, called bulls, …

Dolphin, Pompano

Coryphaena equiselis

This species is almost identical to the common dolphin in coloring and general shape, although it …

Dorab wolf-herring

Chirocentrus dorab

The Dorab wolf-herring has an elongated body, strongly compressed at the sides and covered with fine, …

Dotted grouper

Epinephelus epistictus

Body somewhat elongate, covered with ctenoid scales with additional scales. Body length is less than head …

Double whiptail

Pentapodus emeryii

The scales on the head of the double whiptail extend to the posterior nostrils. The suborbital …

Doubleband surgeonfish

Acanthurus tennenti

Have an elongated body with long obliques of elongated extreme rays of the caudal fin.

Doublespotted queenfish

Scomberoides lysan

The body of the Doublespotted Queenfish is elongated, elliptical in shape, and strongly compressed at the …